Dione (buwan)

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Dione viewed by Cassini just before its final close flyby on August 17, 2015 - Saturn and its rings are in the background.
Natuklasan ni Giovanni Cassini
Natuklasan noong March 21, 1684
Mga designasyon
(Mga) pamalit na pangalanSaturn IV
Tinatawag rin bilang Dionean
Semi-major axis 377396 km
Eccentricity 0.0022[1]
Orbital period 2.736915 d[1]
Inklinasyon 0.019° (to Saturn's equator)
Satelayt ng Saturn
Mga katangiang pisikal
Kaanyuan 1128.8 × 1122.6 × 1119.2 km[2]
Mean radius 561.4±0.4 km[2]
Surface area 3964776.51 km2[3]
Mass (1.095452±0.000168)×1021 kg[4] (3.28×10-4 Earths)
Mean density 1.478±0.003 g/cm³[2]
Equatorial surface gravity0.233 m/s2
Escape velocity0.51 km/s
Rotation period 2.736915 d
Axial tilt zero
Albedo0.998±0.004 (geometric)[5]
Temperatura 87 K (−186°C)
Apparent magnitude 10.4 [6]

Ang Dione ay isang buwan sa Saturn.

Mga sanggunian[baguhin | baguhin ang batayan]

  1. 1.0 1.1 http://exp.arc.nasa.gov/downloads/celestia/data/solarsys.ssc[patay na link] Exp.arc.nasa.gov Retrieved on 05-21-07
  2. 2.0 2.1 2.2 Roatsch, T.; Jaumann, R.; Stephan, K.; Thomas, P. C. (2009). "Cartographic Mapping of the Icy Satellites Using ISS and VIMS Data". Saturn from Cassini-Huygens. pp. 763–781. doi:10.1007/978-1-4020-9217-6_24. ISBN 978-1-4020-9216-9. 
  3. Phil Davis? (April 1, 2011). "Solar System Exploration: Planets: Saturn: Moons: Dione: Facts & Figures". NASA. http://solarsystem.nasa.gov/planets/profile.cfm?Object=Sat_Dione&Display=Facts. Hinango noong March 24, 2013. 
  4. Jacobson, R. A.; Antreasian, P. G.; Bordi, J. J.; Criddle, K. E.; Ionasescu, R.; Jones, J. B.; Mackenzie, R. A.; Meek, M. C. et al. (December 2006). "The Gravity Field of the Saturnian System from Satellite Observations and Spacecraft Tracking Data". The Astronomical Journal 132 (6): 2520–2526. Bibcode 2006AJ....132.2520J. doi:10.1086/508812. http://iopscience.iop.org/1538-3881/132/6/2520/fulltext. 
  5. Verbiscer, A.; French, R.; Showalter, M.; Helfenstein, P. (9 February 2007). "Enceladus: Cosmic Graffiti Artist Caught in the Act". Science 315 (5813): 815. Bibcode 2007Sci...315..815V. doi:10.1126/science.1134681. PMID 17289992. http://www.sciencemag.org/content/315/5813/815.abstract. Hinango noong 20 December 2011.  (supporting online material, table S1)
  6. Observatorio ARVAL (April 15, 2007). "Classic Satellites of the Solar System". Observatorio ARVAL. http://www.oarval.org/ClasSaten.htm. Hinango noong 2011-12-17. 

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